3. Answer the following questions related to population studies: Show your work.

Question

3. Answer the following questions related to population studies: Show your work. (10 points) State the Hardy-Weinberg equilibrium Give the Hardy-Weinberg formula a. b. c. Name the three of the five conditions that must be met for equilibrium. d. If you have 500 birds, what is the total gene pool? e. What if 100 birds are recessive for red color, what is the gene pool for red? f. What is 400 birds are dominant for black, what is the gene pool for black? g. What is the allelic frequency for red? is this p or q? h. What is the allelic frequency for black? Is this p or q? s the genetic frequency for homozygous dominant, homozygous recessive, and heterozygous? (2 points How do you know if the population is changing over time? j.

Explanation / Answer

A) Hardy-Weinberg equation was discoverd by a German Physician Wilhelem Weinberg & a British Mathematician Godfrey Harold Hardy in 1908. Which states:

"In a large, Random-mating population, the proportion of dominant & recessive genes present tends to remain constant from generation to generation unless outside forces act to change it."

B) HARDY-WEINBERG FORMULA:

Hardy-weinberg formula is used to examine genetic locus at which there are two alleles 'H' & 'h'.

Formula is as follows:

p2+2pq+q2=1

where,

p is frequency of H Allele.

q is frequency of h Allele

p2 is frequency of Homozygous genotype H

q2 is frequency of genotype h

C) Five conditions that ,must be met for equilibrium:

1.Population must be very large.

2.Population must be isolated from other population

3.No mutations.

4.Random mating.

5.No natural selection.

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